[Icom] Amp Control Circuit

Fri, 3 Jan 2003 18:05:35 -0800 (PST)

Hello again, Adam,

That's good in gif format. It is smaller and more
manageable. I was going to attempt to modify it, but
no need now.

This is the circuit in which I added the 1N4004 in
series with the resistor (circuit #2). When my ProII
arrives, I'll try it there. Meanwhile, I'll be content
to use my pill box switch to manually key the amp with
the 706MKII. Works fine, and I won't normally be using
that rig with an amp anyway.

73, Larry W3UIO

--- Adam Farson <[email protected]> wrote:
> Larry,
> 
> I have placed a link to this interface on the Icom
> FAQ site. Click "On
> External Keying Relays". The link is at the bottom
> of that page.
> 
> I took the liberty of reducing the DxLab image to a
> GIF and installing it on
> the Icom FAQ site, to reduce download time.
> 
> Best 73,
> Adam, VA7OJ/AB4OJ
> North Vancouver, BC, Canada
> http://www.qsl.net/ab4oj/
> Icom FAQ Site:
> http://www.qsl.net/icom/
> 
> 
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On
> Behalf Of W3UIO
> Sent: January 3, 2003 12:28
> To: [email protected]
> Subject: [Icom] Amp Control Circuit
> 
> 
> Attached is the amp control circuit sent to K3HP by
> ICOM Technical Service. The purpose is to prevent
> damage to the reed relay in ICOM transmitters when
> used with a non-ICOM amp.
> 
> =====
> Larry, W3UIO
> 
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> Icom Users Net: Sundays, 1700Z, 14.315 MHz
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> 
> 
> ----
> Your Moderator: Dick Flanagan W6OLD,
> [email protected]
> Icom Users Net: Sundays, 1700Z, 14.315 MHz
> Icom FAQ: http://www.qsl.net/icom/

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